InChI=1/C18H17F3N4O3/c19-18(20,21)12-2-1-3-14(8-12)28-10-16(26)24-25-17(27)11-4-7-15(22-9-11)23-13-5-6-13/h1-4,7-9,13H,5-6,10H2,(H,22,23)(H,24,26)(H,25,27)/f/h23-25H 97EC92AC1903C8F9